What is the cheapest airline that flies from Portland to Ireland?

Icelandair, Air Canada, and United Airlines are the most popular carriers operating from Portland to Ireland

What airlines fly to Ireland?

Icelandair, United Airlines and Delta are the top three most popular airlines that fly to Ireland from Portland according to our data. Icelandair is the first choice among our users, with 29% of people opting to fly with this airline when traveling to Ireland. Keep in mind that there are 9 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Portland Airport to Ireland?

Prices for flights from Portland Airport to Ireland are refreshed on a daily basis.

How many operators does momondo search for flights from Portland Airport to Ireland?

As of September 2026, there are 9 operators available to choose from for flights from Portland Airport to Ireland.

How old do you have to be to fly from Portland Airport to Ireland?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Ireland.

What documentation or ID do you need to fly to Ireland?

The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$280 Cheap Flights from Portland to Ireland in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Ireland

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 7:10 amPDX Portland-DUB Dublin

16h 10m2 stops Vancouver Intl Toronto Pearson Intl

9:00 am - 6:30 pmDUB Dublin-PDX Portland

17h 30m2 stops Toronto Pearson Intl Vancouver Intl

$559Multiple Airlines

Mon, Mar 1 - Thu, Mar 11

5:45 pm - 2:55 pmPDX Portland-DUB Dublin

13h 10m1 stop London Heathrow

10:30 am - 3:50 pmDUB Dublin-PDX Portland

13h 20m1 stop London Heathrow

$568British Airways

Sun, Jan 3 - Wed, Jan 13

5:45 pm - 3:25 pmPDX Portland-DUB Dublin

13h 40m1 stop London Heathrow

8:40 pm - 3:50 pmDUB Dublin-PDX Portland

27h 10m1 stop London Heathrow

$568Multiple Airlines

Mon, Feb 15 - Thu, Mar 4

5:45 pm - 2:55 pmPDX Portland-DUB Dublin

13h 10m1 stop London Heathrow

10:30 am - 3:50 pmDUB Dublin-PDX Portland

13h 20m1 stop London Heathrow

$568British Airways

Sun, Jan 3 - Wed, Jan 13

11:30 pm - 9:45 amPDX Portland-DUB Dublin

26h 15m1 stop Chicago O'Hare Intl

9:50 am - 9:31 amDUB Dublin-PDX Portland

31h 41m1 stop Vancouver Intl

$578United Airlines

Sun, Oct 4 - Fri, Oct 16

10:59 pm - 7:30 amPDX Portland-DUB Dublin

24h 31m2 stops Chicago O'Hare Intl Newark

9:00 am - 5:38 pmDUB Dublin-PDX Portland

40h 38m2 stops Toronto Pearson Intl Denver Intl

$578United Airlines

Mon, Feb 15 - Thu, Mar 4

7:30 pm - 6:40 pmPDX Portland-DUB Dublin

15h 10m1 stop London Heathrow

11:30 am - 9:59 pmDUB Dublin-PDX Portland

18h 29m1 stop Philadelphia

$579American Airlines

Mon, Oct 19 - Tue, Nov 3

5:45 pm - 2:55 pmPDX Portland-DUB Dublin

13h 10m1 stop London Heathrow

12:55 pm - 10:10 pmDUB Dublin-PDX Portland

17h 15m1 stop Dallas/Fort Worth

$582American Airlines

Sun, Nov 8 - Tue, Nov 17

5:30 am - 7:45 amPDX Portland-DUB Dublin

18h 15m2 stops San Francisco Vancouver Intl

9:50 am - 7:11 pmDUB Dublin-PDX Portland

17h 21m1 stop Vancouver Intl

$584Air Canada

Tue, Oct 6 - Wed, Oct 14

7:10 pm - 7:10 amPDX Portland-DUB Dublin

52h 00m2 stops Vancouver Intl Toronto Pearson Intl

9:00 am - 8:46 pmDUB Dublin-PDX Portland

19h 46m2 stops Toronto Pearson Intl Vancouver Intl

$585Air Canada

Mon, Nov 16 - Thu, Nov 26

Cheap last minute flights

Enter your travel dates to find the best prices.

11:02 pm - 9:45 amPDX Portland-DUB Dublin

26h 43m1 stop Chicago O'Hare Intl

9:50 am - 9:31 amDUB Dublin-PDX Portland

31h 41m1 stop Vancouver Intl

$578United Airlines

Sun, Sep 20 - Fri, Oct 2

7:02 am - 7:45 amPDX Portland-DUB Dublin

16h 43m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

9:50 am - 9:31 amDUB Dublin-PDX Portland

31h 41m1 stop Vancouver Intl

$592Air Canada

Sun, Sep 20 - Fri, Oct 2

7:00 am - 7:45 amPDX Portland-DUB Dublin

16h 45m2 stops San Francisco Montreal Pierre Elliott Trudeau Intl

9:50 am - 9:31 amDUB Dublin-PDX Portland

31h 41m1 stop Vancouver Intl

$592Multiple Airlines

Sun, Sep 20 - Fri, Oct 2

11:09 pm - 7:30 amPDX Portland-DUB Dublin

24h 21m1 stop Newark

9:50 am - 9:31 amDUB Dublin-PDX Portland

31h 41m1 stop Vancouver Intl

$598Lufthansa

Sun, Sep 20 - Fri, Oct 2

8:40 am - 9:45 amPDX Portland-DUB Dublin

17h 05m2 stops Denver Intl Chicago O'Hare Intl

9:30 am - 8:10 pmDUB Dublin-PDX Portland

18h 40m2 stops Newark Washington, D.C. Dulles Intl

$615United Airlines

Sun, Sep 20 - Fri, Oct 2

11:54 am - 3:25 pmPDX Portland-DUB Dublin

19h 31m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

8:55 am - 8:02 pmDUB Dublin-PDX Portland

19h 07m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$649Delta

Sun, Sep 20 - Fri, Oct 2

6:01 am - 10:35 amPDX Portland-DUB Dublin

20h 34m1 stop Chicago O'Hare Intl

11:35 am - 7:35 pmDUB Dublin-PDX Portland

16h 00m1 stop Chicago O'Hare Intl

$856Aer Lingus

Sun, Sep 20 - Fri, Oct 2

7:45 pm - 7:45 amPDX Portland-DUB Dublin

28h 00m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

9:50 am - 9:31 amDUB Dublin-PDX Portland

31h 41m1 stop Vancouver Intl

$885Air Canada

Sun, Sep 20 - Fri, Oct 2

11:54 am - 3:25 pmPDX Portland-DUB Dublin

19h 31m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

8:55 am - 8:02 pmDUB Dublin-PDX Portland

19h 07m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

$909Delta

Sun, Sep 20 - Fri, Oct 2

8:25 am - 7:20 amPDX Portland-DUB Dublin

14h 55m1 stop Washington, D.C. Dulles Intl

9:50 am - 7:11 pmDUB Dublin-PDX Portland

17h 21m1 stop Vancouver Intl

$1,096Multiple Airlines

Wed, Sep 16 - Fri, Sep 18

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British Airways flights from Portland to Ireland

Our best British Airways deals on Portland to Ireland flight tickets

British Airways

Jan 3

PDX5:45 pmPortland

13h 10m

1 stop

DUB2:55 pmDublin

Jan 13

DUB10:30 amDublin

13h 20m

1 stop

PDX3:50 pmPortland

$568

British Airways

Mar 1

PDX5:45 pmPortland

13h 40m

1 stop

DUB3:25 pmDublin

Mar 11

DUB8:40 pmDublin

27h 10m

1 stop

PDX3:50 pmPortland

$574

British Airways

Nov 1

PDX5:45 pmPortland

12h 30m

1 stop

DUB2:15 pmDublin

Nov 11

DUB10:30 amDublin

13h 20m

1 stop

PDX3:50 pmPortland

$581

United Airlines flights from Portland to Ireland

Our best United Airlines deals on Portland to Ireland flight tickets

United Airlines

Oct 4

PDX11:30 pmPortland

26h 15m

1 stop

DUB9:45 amDublin

Oct 16

DUB9:50 amDublin

31h 41m

1 stop

PDX9:31 amPortland

$578

United Airlines

Sep 22

PDX11:09 pmPortland

28h 01m

1 stop

DUB11:10 amDublin

Sep 30

DUB9:50 amDublin

31h 41m

1 stop

PDX9:31 amPortland

$579

United Airlines

Nov 3

PDX7:00 amPortland

17h 10m

1 stop

DUB8:10 amDublin

Nov 17

DUB10:40 amDublin

16h 32m

1 stop

PDX7:12 pmPortland

$595

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Mon 3/1

7:00 am-7:10 am

2 stops16h 10m

Dublin

Thu 3/11

9:00 am-6:30 pm

2 stops17h 30m

$559

Quickest round-trip

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Sun 1/3

5:45 pm-2:55 pm

1 stop13h 10m

Dublin

Wed 1/13

10:30 am-3:50 pm

1 stop13h 20m

$568

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Mon 2/15

5:45 pm-3:25 pm

1 stop13h 40m

Dublin

Thu 3/4

8:40 pm-3:50 pm

1 stop27h 10m

$568

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Sun 1/3

5:45 pm-2:55 pm

1 stop13h 10m

Dublin

Wed 1/13

10:30 am-3:50 pm

1 stop13h 20m

$568

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Sun 10/4

11:30 pm-9:45 am

1 stop26h 15m

Dublin

Fri 10/16

9:50 am-9:31 am

1 stop31h 41m

$578

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Mon 2/15

10:59 pm-7:30 am

2 stops24h 31m

Dublin

Thu 3/4

9:00 am-5:38 pm

2 stops40h 38m

$578

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Mon 10/19

7:30 pm-6:40 pm

1 stop15h 10m

Dublin

Tue 11/3

11:30 am-9:59 pm

1 stop18h 29m

$579

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Sun 11/8

5:45 pm-2:55 pm

1 stop13h 10m

Dublin

Tue 11/17

12:55 pm-10:10 pm

1 stop17h 15m

$582

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Tue 10/6

5:30 am-7:45 am

2 stops18h 15m

Dublin

Wed 10/14

9:50 am-7:11 pm

1 stop17h 21m

$584

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Mon 11/16

7:10 pm-7:10 am

2 stops52h 00m

Dublin

Thu 11/26

9:00 am-8:46 pm

2 stops19h 46m

$585

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portland to Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Ireland?

In general, February is the cheapest month to fly from Portland to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $484. If you aren’t able to travel to Ireland during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $486.

How far in advance should I book a flight from Portland to Ireland?

You are more likely to see cheaper flights to Ireland from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $713 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Portland for as low as $665 on momondo.

Can stopping save me money on Portland to Ireland flights?

You could potentially save up to 4% on your flight if you consider stops on a Portland to Ireland flight.

Cheap Portland to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Ireland

Best Price Found	$280
Fastest flight time	11h 30m
Direct flights	None

The best one-way flight to Ireland from Portland in the past 72 hours is $280. The best round-trip flight deal from Portland to Ireland found on momondo in the last 72 hours is $559.

The fastest flight from Portland to Ireland takes 11h 30m

There are no direct flights from Portland to Ireland. There are no popular flight routes from Portland to Ireland.

Search flight deals

Frequently asked questions about flying from Portland to Ireland

When did momondo last update prices for flights from Portland Airport to Ireland?
Prices for flights from Portland Airport to Ireland are refreshed on a daily basis.
How many operators does momondo search for flights from Portland Airport to Ireland?
As of September 2026, there are 9 operators available to choose from for flights from Portland Airport to Ireland.
How old do you have to be to fly from Portland Airport to Ireland?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Ireland.
What documentation or ID do you need to fly to Ireland?
The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Portland to Ireland

Compare and see reviews for airlines that fly from Portland to Ireland with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $384	Free Cancellation	Rating 6.9 743 reviews	Search Icelandair flights
American Airlines	PriceFrom $461	Free Cancellation	Rating 7.1 12,053 reviews	Search American Airlines flights
British Airways	PriceFrom $464	Free Cancellation	Rating 6.7 8,220 reviews	Search British Airways flights
Delta	PriceFrom $471	Free Cancellation	Rating 7.8 8,569 reviews	Search Delta flights
Air Canada	PriceFrom $472	Free Cancellation	Rating 7.1 11,627 reviews	Search Air Canada flights
United Airlines	PriceFrom $478	Free Cancellation	Rating 7.4 10,214 reviews	Search United Airlines flights
KLM	PriceFrom $479	Free Cancellation	Rating 7.8 1,580 reviews	Search KLM flights
Lufthansa	PriceFrom $616	Free Cancellation	Rating 6.8 8,221 reviews	Search Lufthansa flights
Aer Lingus	PriceFrom $679	Free Cancellation	Rating 7.3 1,758 reviews	Search Aer Lingus flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Ireland?

It is quick and easy to find Portland to Ireland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ireland that suits you.

Can I find flights from Portland to Ireland with flexible booking policies on momondo?

Flights from Portland to Ireland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Portland to Ireland?

Once all potential Portland to Ireland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Portland to Ireland right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Portland to Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Ireland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Ireland

Popular cities

Other flights from Portland

Other flights to Ireland

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Ireland

Flights to Dublinfrom $384

Flights to Shannon, Clarefrom $432

Flights to Corkfrom $482

Flights to Knockfrom $902

Flights to Milltown (Kerry)from $608

Flights to Donegalfrom $993

Cheap flights from Portland to Ireland from $280

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Ireland departing on 10/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Portland to Ireland

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Big names and deals

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British Airways flights from Portland to Ireland

Our best British Airways deals on Portland to Ireland flight tickets

United Airlines flights from Portland to Ireland

Our best United Airlines deals on Portland to Ireland flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Portland to Ireland that are best for you.

See travel insights to Ireland from

How to get the cheapest flight ticket from Portland to Ireland

What is the cheapest month to fly to Ireland?

How far in advance should I book a flight from Portland to Ireland?

Can stopping save me money on Portland to Ireland flights?

What is the cheapest airline that flies from Portland to Ireland?

What airlines fly to Ireland?

Cheap Portland to Ireland flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Portland to Ireland

Best airlines flying from Portland to Ireland

Compare and see reviews for airlines that fly from Portland to Ireland with momondo

Why use momondo?

An easier way to manage your Ireland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ireland

Popular cities in Ireland

Popular flights according to clicks in the last 7 days on momondo

Portland flight routes

According to popular flight searches on momondo this year

Ireland flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Ireland

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Ireland

List of cabin classes available on flights landing in Ireland. Availability may vary depending on flight origin and airline.

Complete your trip to Ireland

Explore popular destinations other users love

According to popular flight searches on momondo this year